CN112053892B - Vacuum circuit breaker for high altitude and high voltage - Google Patents

Vacuum circuit breaker for high altitude and high voltage Download PDF

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Publication number
CN112053892B
CN112053892B CN202010958544.4A CN202010958544A CN112053892B CN 112053892 B CN112053892 B CN 112053892B CN 202010958544 A CN202010958544 A CN 202010958544A CN 112053892 B CN112053892 B CN 112053892B
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side wall
base
plate
circuit breaker
groups
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CN112053892A (en
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黄彬洁
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Zhejiang Shuowei Power Technology Co ltd
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Zhejiang Shuowei Power Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/666Operating arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/662Housings or protective screens
    • H01H33/66207Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/66223Details relating to the sealing of vacuum switch housings

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention relates to the technical field of auxiliary devices of electric power facilities, in particular to a high-altitude high-voltage vacuum circuit breaker which is simple in structure, a manual opening and closing handle can be manually or electrically opened and closed, the circuit breaker is convenient to install, and the use convenience is improved; the device comprises an isolating switch operating handle, an isolating switch main shaft, a manual on-off handle, an energy storage handle, an on-off indication, a wiring board wire outlet end, an insulator, an insulating pull rod, a bracket, an isolating blade, a wiring board wire inlet end and a base; the electric telescopic handle is characterized by also comprising a threaded rod, a limiting rod, a lifting plate and a base plate, wherein a rotating shaft is arranged on the base, the front end of the rotating shaft is fixedly connected with the manual opening and closing handle, a gear is fixedly connected onto the rotating shaft, and an electric telescopic rod is arranged in the central area of the top of the base plate; the device comprises a mounting plate, two groups of left fan-shaped plates, two groups of left transition rods, two groups of left reset springs, a left baffle, two groups of right fan-shaped plates, two groups of right transition rods, two groups of right reset springs and a right baffle.

Description

Vacuum circuit breaker for high altitude and high voltage
Technical Field
The invention relates to the technical field of auxiliary devices of electric power facilities, in particular to a high-altitude high-voltage vacuum circuit breaker.
Background
As is well known, the vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is popularized to be applied to power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 50H linear bearing three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oiling, less maintenance and frequent operation, and can be arranged in a middle-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
The existing vacuum circuit breaker comprises an isolating switch operating handle, an isolating switch main shaft, a manual opening and closing handle, an energy storage handle, an opening and closing indication, a wiring board wire outlet end, an insulator, an insulating pull rod, a support, an isolating blade, a wiring board wire inlet end and a base, and the following problems are found in the long-time use process: the first manual opening and closing handle is rotatably arranged on the circuit breaker, and stainless steel rings at two ends are hooked through an insulating operating rod to perform manual opening and closing, but in actual use, the manual opening and closing handle is found to have certain difficulty in operation under the condition that the installation height is high or the insulating operating rod is not arranged; secondly, the circuit breaker mostly gets up through the bolt fastening, causes to dismantle inconvenient.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-altitude high-voltage vacuum circuit breaker which is simple in structure, a manual opening and closing handle can be manually or electrically opened and closed, the circuit breaker is convenient to install, and the use convenience is improved.
The invention discloses a high-altitude high-voltage vacuum circuit breaker, which comprises an isolating switch operating handle, an isolating switch main shaft, a manual on-off handle, an energy storage handle, an on-off indication, a wiring board wire outlet end, an insulator, an insulating pull rod, a bracket, an isolating blade, a wiring board wire inlet end and a base, wherein the isolating switch operating handle is connected with the isolating switch main shaft through a connecting rod; the automatic lifting device is characterized by further comprising a threaded rod, a limiting rod, a lifting plate and a base plate, wherein a rotating shaft is arranged on the base, the front end of the rotating shaft is fixedly connected with a manual opening and closing handle, a gear is fixedly connected onto the rotating shaft, the base plate is fixedly connected with the front side wall of the base, an electric telescopic rod is arranged in the central area of the top of the base plate, the output end of the electric telescopic rod is connected with the lifting plate, two groups of supporting rods are arranged at the top of the lifting plate, ball bearings are arranged on the two groups of supporting rods, the threaded rod is connected with inner rings of the two groups of ball bearings, a motor is arranged at the right end of the threaded rod, a driving block is connected onto the threaded rod in a threaded manner, a rack meshed with the gear is connected to the top end of the driving block, the limiting rod penetrates through the driving block, and the two ends of the limiting rod are respectively connected with the two groups of supporting rods; still include mounting panel, two sets of left sector plate, two sets of left transition pole, two sets of left reset spring, left baffle, two sets of right sector plate, two sets of right transition pole, two sets of right reset spring and right baffle, the mounting panel top is provided with the recess, and inside base sliding insertion to the recess, the left side wall front and back side all was provided with left spout in the recess, and left side wall central zone all is provided with the left intercommunicating pore that communicates with the mounting panel left side wall in the left spout, and the side all is provided with left draw-in groove, every group left side sector plate both ends are equallyd divide and do not are in a set of left spout and a set of inside left draw-in groove, every group the equal slip of left side transition pole passes a set of left side intercommunicating pore and a set of left side reset spring then with a set of left side sector plate connect, left side reset spring both ends respectively with left sector plate and left spout inner wall in close contact, two sets of left side transition pole left side is connected with left baffle and mounting panel left side wall, and right side baffle and right side wall front and back side wall all are provided with right side draw-in the right side draw-in groove and right side wall and right side transition pole and right side wall and right side contact and right side inner wall and right side transition pole and right side wall and right side wall are all be connected a set of right side and right side draw-in the right side wall respectively and right side baffle.
According to the vacuum circuit breaker for high altitude and high voltage, the left side and the right side of the bottom of the lifting plate are both connected with the sleeves, the sleeves are hollow and open at the bottoms, the left side and the right side of the top of the base plate are both connected with the stabilizer bars, and the stabilizer bars are inserted into the sleeves in a sliding mode.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a left box body with a hollow inner part is arranged on the left side wall of an installation plate, a left electromagnet with a long strip shape is arranged in the left box body, the top of the left box body is communicated with a left maintenance opening, a left box door can be opened and closed at the left maintenance opening through a hinge, a right box body with a hollow inner part is arranged on the right side wall of the installation plate, a right electromagnet with a long strip shape is arranged in the right box body, the top of the right box body is communicated with a right maintenance opening, and the right box door can be opened and closed at the right maintenance opening through a hinge.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a first contact switch and a second contact switch which are connected with an electric telescopic rod are arranged on the front side wall of a base.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a linear bearing in rolling fit with a limiting rod is arranged on a driving block.
The vacuum circuit breaker for high altitude and high voltage of the invention is characterized in that the motor is of a speed reduction type.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein connecting rings are arranged at the front end and the rear end of the left side wall and the right side wall of a mounting plate.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a conical waterproof ring is arranged on the outer side wall of a base.
Compared with the prior art, the invention has the beneficial effects that: when the lifting plate is normally used, the conical waterproof ring can prevent water from entering between the base and the mounting plate and can prevent corrosion, the four groups of connecting rings are fixed by using bolts, the rotating shaft can be rotatably mounted on the base and is fixedly connected with the manual opening and closing handle, when the manual opening and closing handle is required to be manually operated, the electric telescopic rod is operated to separate the rack from the gear, the lifting plate is contacted with the second contact switch, the relative position between the stabilizing rod and the sleeve is changed, the lifting stability of the lifting plate is improved, a user can hold the insulating operating rod to hook the stainless steel rings on the left side and the right side of the manual opening and closing handle for operation, under the condition that manual operation is not allowed, the electric telescopic rod is firstly operated to enable the rack to be meshed with the gear, the lifting plate is contacted with the first contact switch, and then the motor is started to enable the manual opening and closing handle, the gear and the rotating shaft to simultaneously rotate; during installation, the base is inserted into the groove of the mounting plate, the longitudinal end faces of the left sector plate and the right sector plate are both fan-shaped, so that the left sector plate moves leftwards under the extrusion of the base, the right sector plate moves rightwards, the left reset spring and the right reset spring are both compressed, when the base is in contact with the bottom in the mounting plate, the left sliding groove, the left clamping groove, the right clamping groove and the right sliding groove are all leveled, under the elastic force action of the left reset spring and the right reset spring, the left sector plate and the right sector plate are respectively inserted into the left clamping groove and the right clamping groove, the base is fixed, when a breaker needs to be detached, the left electromagnet and the right electromagnet are electrified, under the magnetic pulling, the right baffle moves rightwards while the left baffle moves leftwards, the left sector plate is separated from the left clamping groove, the right sector plate is separated from the right clamping groove, and then the breaker is vertically pulled out
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a left side view of the terminal block outlet, insulator, insulating tie rod, bracket, isolation blade, terminal block inlet, base and left card slot;
FIG. 4 is a schematic connection diagram of a base, a mounting plate, a left sector plate, a left transition rod, a left return spring, a left baffle, a left chute, a left communication hole and a left clamping groove;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a left side view of the drive block, limit post and linear bearing;
in the drawings, the reference numbers: 1. an isolating switch operating handle; 2. a main shaft of the isolating switch; 3. a manual opening and closing handle; 4. an energy storage handle; 5. opening and closing indication; 6. a wiring terminal of the wiring board; 7. an insulator; 8. an insulating pull rod; 9. a support; 10. isolating the blade; 11. a wiring board inlet end; 12. a base; 13. a threaded rod; 14. a limiting rod; 15. a lifting plate; 16. a substrate; 17. a rotating shaft; 18. a gear; 19. an electric telescopic rod; 20. a support bar; 21. a ball bearing; 22. a motor; 23. a drive block; 24. a rack; 25. mounting a plate; 26. a left sector plate; 27. a left transition bar; 28. a left return spring; 29. a left baffle; 30. a left chute; 31. a left communicating hole; 32. a left card slot; 33. a sleeve; 34. a stabilizer bar; 35. a left box body; 36. a left electromagnet; 37. a left box door; 38. a first contact switch; 39. a second contact switch; 40. a linear bearing; 41. a connecting ring; 42. a conical waterproof ring.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, the vacuum circuit breaker for high altitude and high voltage of the present invention comprises an isolating switch operating handle 1, an isolating switch main shaft 2, a manual opening and closing handle 3, an energy storage handle 4, an opening and closing indication 5, a wiring board outlet terminal 6, an insulator 7, an insulating pull rod 8, a bracket 9, an isolating blade 10, a wiring board inlet terminal 11 and a base 12; the automatic lifting device is characterized by further comprising a threaded rod 13, a limiting rod 14, a lifting plate 15 and a base plate 16, wherein a rotating shaft 17 is arranged on the base 12, the front end of the rotating shaft 17 is fixedly connected with a manual opening and closing handle 3, a gear 18 is fixedly connected onto the rotating shaft 17, the base plate 16 is fixedly connected with the front side wall of the base 12, an electric telescopic rod 19 is arranged in the central area of the top of the base plate 16, the output end of the electric telescopic rod 19 is connected with the lifting plate 15, two groups of supporting rods 20 are arranged on the top of the lifting plate 15, ball bearings 21 are arranged on the two groups of supporting rods 20, the threaded rod 13 is connected with inner rings of the two groups of ball bearings 21, a motor 22 is arranged at the right end of the threaded rod 13, a driving block 23 is connected onto the threaded rod 13, a rack 24 meshed with the gear 18 is connected onto the top end of the driving block 23, the limiting rod 14 penetrates through the driving block 23, and two ends of the limiting rod 14 are respectively connected with the two groups of supporting rods 20; the novel fan-shaped plate comprises a mounting plate 25, two groups of left fan-shaped plates 26, two groups of left transition rods 27, two groups of left reset springs 28, a left baffle 29, two groups of right fan-shaped plates, two groups of right transition rods, two groups of right reset springs and a right baffle, wherein a groove is arranged at the top of the mounting plate 25, a base 12 is inserted into the groove in a sliding manner, left sliding grooves 30 are respectively arranged at the front side and the rear side of the left side wall in the groove, a left communicating hole 31 communicated with the left side wall of the mounting plate 25 is respectively arranged in the central area of the left side wall in the left sliding groove 30, left clamping grooves 32 are respectively arranged at the front side and the rear side of the left side wall of the base 12, two ends of each group of left fan-shaped plates 26 are respectively arranged in a group of left sliding grooves 30 and a group of left clamping grooves 32, each group of left transition rods 27 penetrates through a group of left communicating holes 31 and a group of left reset springs 28 and then is connected with a group of left fan-shaped plates 26, the two ends of a left reset spring 28 are respectively in close contact with the inner walls of a left sector plate 26 and a left sliding chute 30, the left ends of two groups of left transition rods 27 are connected with a left baffle 29, the left baffle 29 is in contact with the left side wall of a mounting plate 25, the front side and the rear side of the right side wall in a groove are respectively provided with a right sliding chute, the central area of the right side wall in the right sliding chute is respectively provided with a right communication hole communicated with the right side wall of the mounting plate 25, the front side and the rear side of the right side wall of a base 12 are respectively provided with a right clamping groove, the two ends of each group of right sector plates are respectively positioned in the group of right sliding chutes and the group of right clamping grooves, each group of right transition rods slides through the group of right communication holes and the group of right reset springs and is connected with the group of right sector plates, the two ends of the right reset springs are respectively in close contact with the inner walls of the right sector plates and the right sliding chutes, and the right baffle is in contact with the right side wall of the mounting plate 25; because the gear 18 is fixedly connected with the rotating shaft 17, the gear 18, the rotating shaft 17 and the manual opening and closing handle 3 rotate simultaneously, under the matching of the electric telescopic rod 19 and the base plate 16, the heights of the lifting plate 15, the rack 24 and the like can be controlled by controlling the length of the output end of the electric telescopic rod 19, under the matching of two groups of supporting rods 20 and two groups of ball bearings 21, the threaded rod 13 is driven to rotate after the motor 22 is electrified, the threaded rod 13 is connected with the driving block 23, and the driving block 23 cannot rotate under the action of the threaded rod 13 and the limiting rod 14, so that the driving block 23 and the rack 24 are driven to transversely move after the motor 22 is electrified, and the rack 24 is meshed with the gear 18, so that the gear 18, the rotating shaft 17 and the manual opening and closing handle 3 rotate simultaneously after the motor 22 is electrified, during normal use, the rotating shaft 17 is rotatably mounted on the base 12, the rotating shaft 17 is fixedly connected with the manual opening and closing handle 3, when the manual opening and closing handle 3 is required, the electric telescopic rod 19 is operated to separate the rack 24 from the gear 18, a user can hold the manual opening and closing handle 3, and then the manual opening and closing handle 18 can be operated simultaneously; during installation, the base 12 is inserted into the groove of the mounting plate 25, and the longitudinal end faces of the left sector plate 26 and the right sector plate are both fan-shaped, so that the left sector plate 26 moves leftwards and the right sector plate moves rightwards under the extrusion of the base 12, the left return spring 28 and the right return spring are both compressed, when the base 12 is in contact with the bottom of the mounting plate 25, the left sliding groove 30, the left clamping groove 32, the right clamping groove and the right sliding groove are all level, and under the elastic action of the left return spring 28 and the right return spring, the left sector plate 26 and the right sector plate are respectively inserted into the left clamping groove 32 and the right clamping groove to fix the base 12.
According to the vacuum circuit breaker for high altitude and high voltage, the left side and the right side of the bottom of the lifting plate 15 are both connected with the sleeves 33, the sleeves 33 are hollow and open at the bottom, the left side and the right side of the top of the base plate 16 are both connected with the stabilizer bars 34, and the stabilizer bars 34 are inserted into the sleeves 33 in a sliding manner; when the electric telescopic rod 19 extends and retracts to drive the lifting plate 15 to lift, the relative position between the stabilizer bar 34 and the sleeve 33 changes, and the lifting stability of the lifting plate 15 is improved.
According to the vacuum circuit breaker for high altitude and high voltage, the left side wall of the mounting plate 25 is provided with the left box body 35 which is hollow inside, the left box body 35 is internally provided with the left electromagnet 36 which is in a long strip shape, the top of the left box body 35 is communicated with the left maintenance opening, the left maintenance opening can be opened and closed with the left box door 37 through the hinge, the right side wall of the mounting plate 25 is provided with the right box body which is hollow inside, the right electromagnet which is in a long strip shape is arranged inside the right box body, the top of the right box body is communicated with the right maintenance opening, and the right maintenance opening can be opened and closed with the right box door through the hinge; when the breaker needs to be removed, the left electromagnet 36 and the right electromagnet are electrified, the left baffle 29 moves leftwards and the right baffle moves rightwards under the magnetic pulling, so that the left sector plate 26 is separated from the left clamping groove 32, the right sector plate is separated from the right clamping groove, then the breaker is vertically pulled out, and the left box door 37 and the right box door can be opened to maintain and overhaul the inside.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a first contact switch 38 and a second contact switch 39 which are connected with an electric telescopic rod 19 are arranged on the front side wall of a base 12; when the lifting plate 15 contacts with the first contact switch 38, the electric telescopic rod 19 stops working, and the rack 24 is meshed with the gear 18, and when the lifting plate 15 contacts with the second contact switch 39, the electric telescopic rod 19 stops working, and the rack 24 is separated from the gear 18.
The invention relates to a high-altitude high-voltage vacuum circuit breaker.A driving block 23 is provided with a linear bearing 40 which is in rolling fit with a limiting rod 14; when the driving block 23 moves, the linear bearing 40 and the limit rod 14 generate rolling friction, and abrasion to the limit rod 14 is reduced.
In the high-altitude high-voltage vacuum circuit breaker, the motor 22 is of a speed reduction type; the moving speed of the rack 24 is slowed down, and the stability is improved.
In the vacuum circuit breaker for high altitude and high voltage, the front end and the rear end of the left side wall and the right side wall of the mounting plate 25 are both provided with the connecting rings 41; four sets of connection rings 41 are fixed together using bolts.
The invention relates to a high-altitude high-voltage vacuum circuit breaker, wherein a conical waterproof ring 42 is arranged on the outer side wall of a base 12; the tapered waterproofing ring 42 prevents water from entering between the base 12 and the mounting plate 25 and rusting.
The vacuum circuit breaker for high altitude and high voltage of the invention, when it works, because the gear 18 is fixedly connected with the rotating shaft 17, the gear 18, the rotating shaft 17 and the manual on-off handle 3 rotate at the same time, under the cooperation of the electric telescopic rod 19 and the base plate 16, the height of the lifting plate 15 and the rack 24 can be controlled by controlling the length of the output end of the electric telescopic rod 19, under the cooperation of the two groups of support rods 20 and the two groups of ball bearings 21, the threaded rod 13 is driven to rotate by the motor 22 after being electrified, because the threaded rod 13 is connected with the driving block 23, and the driving block 23 can not rotate under the action of the threaded rod 13 and the limit rod 14, the driving block 23 and the rack 24 are driven to move transversely after the motor 22 is electrified, and because the rack 24 is meshed with the gear 18, the rotating shaft 17 and the manual on-off handle 3 can rotate at the same time after the motor 22 is electrified, during normal use, the conical waterproof ring 42 can prevent water from entering between the base 12 and the mounting plate 25 and prevent corrosion, the four groups of connecting rings 41 are fixed by bolts, the rotating shaft 17 is rotatably mounted on the base 12, the rotating shaft 17 is fixedly connected with the manual opening and closing handle 3, when the manual opening and closing handle 3 needs to be manually operated, the electric telescopic rod 19 is operated to separate the rack 24 from the gear 18, the lifting plate 15 is contacted with the second contact switch 39, the relative position between the stabilizing rod 34 and the sleeve 33 is changed, the lifting stability of the lifting plate 15 is improved, a user can hold the insulating operating rod to hook the stainless steel rings on the left side and the right side of the manual opening and closing handle 3 for operation, under the condition that manual operation is not allowed, the electric telescopic rod 19 is firstly operated to mesh the rack 24 with the gear 18, the lifting plate 15 is contacted with the first contact switch 38, and then the motor 22 is started to enable the manual opening and closing handle 3, the gear 18 and the rotating shaft 17 can rotate simultaneously; when the breaker is installed, the base 12 is inserted into the groove of the installation plate 25, the longitudinal end faces of the left sector plate 26 and the right sector plate are both fan-shaped, so that under the extrusion of the base 12, the left sector plate 26 moves leftwards, the right sector plate moves rightwards, the left return spring 28 and the right return spring are both compressed, when the base 12 is in contact with the inner bottom of the installation plate 25, the left sliding chute 30, the left clamping chute 32, the right clamping chute and the right sliding chute are all kept flat, under the elastic force action of the left return spring 28 and the right return spring, the left sector plate 26 and the right sector plate are respectively inserted into the left clamping chute 32 and the right clamping chute, the base 12 is fixed, when the breaker needs to be removed, the left electromagnet 36 and the right electromagnet are electrified, under the magnetic pulling, the left baffle 29 moves leftwards and the right baffle moves rightwards, the left sector plate 26 is separated from the left clamping chute 32, the right sector plate is separated from the right clamping chute, and the breaker is vertically pulled out.
The vacuum circuit breaker for high altitude and high voltage is characterized in that the installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the slidable/rotatable fixing mode is that the components do not fall off in the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the electric modules and the electric appliances are common electric appliances in the market, the electric modules and the electric appliances can be used only by being electrically connected with each other according to the use instructions purchased together when the electric modules and the electric appliances are bought for use, and the control module is the common self-contained module, so the details are not repeated.
The vacuum circuit breaker for high altitude and high voltage of the present invention, unless otherwise stated, includes the terms "upper, lower, left, right, front, back, inner, outer, vertical and horizontal" and the like, which are used to represent the orientation of the term in the conventional usage state, or are commonly understood by those skilled in the art, and should not be construed as limiting the term, and the terms "first", "second" and "third" do not represent the specific number and order, but are used for the distinction of names, and the terms "include", "include" or any other variations thereof are intended to cover the nonexclusive inclusion, such that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or further includes elements inherent to such process, method, article or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be also considered as the protection scope of the present invention.

Claims (8)

1. The high-altitude high-voltage vacuum circuit breaker comprises an isolating switch operating handle (1), an isolating switch main shaft (2), a manual opening and closing handle (3), an energy storage handle (4), an opening and closing indicator (5), a wiring board wire outlet end (6), an insulator (7), an insulating pull rod (8), a support (9), an isolating blade (10), a wiring board wire inlet end (11) and a base (12); the automatic lifting device is characterized by further comprising a threaded rod (13), a limiting rod (14), a lifting plate (15) and a base plate (16), wherein a rotating shaft (17) is arranged on the base (12), the front end of the rotating shaft (17) is fixedly connected with a manual opening and closing handle (3), a gear (18) is fixedly connected onto the rotating shaft (17), the base plate (16) is fixedly connected with the front side wall of the base (12), an electric telescopic rod (19) is arranged in the central area of the top of the base plate (16), the output end of the electric telescopic rod (19) is connected with the lifting plate (15), two groups of supporting rods (20) are arranged on the top of the lifting plate (15), ball bearings (21) are arranged on the two groups of supporting rods (20), the threaded rod (13) is connected with the two groups of ball bearings (21), a motor (22) is arranged at the right end of the inner ring of the threaded rod (13), a driving block (23) is in threaded connection with the threaded rod (13), a rack (24) meshed with the gear (18) is connected to the top end of the driving block (23), and the limiting rod (14) penetrates through the limiting block (23) and two ends of the limiting rod (14) are respectively connected with the two groups of supporting rods (20); still include mounting panel (25), two sets of left sector plates (26), two sets of left transition pole (27), two sets of left reset spring (28), left baffle (29), two sets of right sector plates, two sets of right transition pole, two sets of right reset spring and right baffle, mounting panel (25) top is provided with the recess, inside base (12) sliding insertion to the recess, left side wall front and back side all was provided with left spout (30) in the recess, left side wall central zone all is provided with left intercommunicating pore (31) with mounting panel (25) left side wall intercommunication in left spout (30), base (12) left side wall front and back side all is provided with left draw-in groove (32), every group left sector plate (26) both ends are equallyd divide and are in a set of left spout (30) and a set of left draw-in groove (32) inside, every group left transition pole (27) all slides and passes a set of left intercommunicating pore (31) and a set of left reset spring (28) then with a set of left sector plate (26) is connected, left reset spring (28) both ends respectively with left sector plate (26) and left spout (30) inner wall in close contact with right baffle, two sets of transition pole (29) inner wall all are provided with right side baffle, the left side wall connection left side wall (29) and right baffle, the left side wall front and right baffle (29) in the mounting panel (29) and right side wall are provided with left spout inner wall (29), base (12) right side wall front and back side all is provided with right draw-in groove, every group right side sector plate both ends are equallyd divide and are in respectively a set of right side spout and a set of inside the right side draw-in groove, every group right side transition pole all slides and passes a set of right intercommunicating pore and a set of right side reset spring then with a set of right side sector plate is connected, right reset spring both ends respectively with right sector plate and right spout inner wall in close contact with, two sets of right side transition pole right-hand member all is connected with right baffle, right baffle and mounting panel (25) right side wall contact.
2. The vacuum circuit breaker for high altitude and high voltage according to claim 1, wherein the lifting plate (15) has sleeves (33) connected to the left and right sides of the bottom thereof, the sleeves (33) are hollow and open at the bottom thereof, and the base plate (16) has stabilizers (34) connected to the left and right sides of the top thereof, the stabilizers (34) being slidably inserted into the sleeves (33).
3. The vacuum circuit breaker for high altitude and high voltage according to claim 2, wherein the left side wall of the mounting plate (25) is provided with a left box body (35) with a hollow inner part, the left box body (35) is internally provided with a left electromagnet (36) with a long strip shape, the top of the left box body (35) is communicated with a left maintenance opening, the left maintenance opening is provided with a left box door (37) which can be opened and closed through a hinge, the right side wall of the mounting plate (25) is provided with a right box body with a hollow inner part, the right box body is internally provided with a right electromagnet with a long strip shape, the top of the right box body is communicated with a right maintenance opening, and the right maintenance opening is provided with a right box door which can be opened and closed through a hinge.
4. The vacuum circuit breaker for high altitude and high voltage according to claim 3 is characterized in that the front side wall of the base (12) is provided with a first contact switch (38) and a second contact switch (39) which are connected with the electric telescopic rod (19).
5. The vacuum circuit breaker for high altitude and high voltage according to claim 4, characterized in that the drive block (23) is provided with a linear bearing (40) which is in rolling fit with the limit rod (14).
6. Vacuum circuit breaker for high altitude and high voltage according to claim 5, characterized in that said motor (22) is of the deceleration type.
7. The vacuum circuit breaker for high altitude and high voltage according to claim 6, characterized in that the front and rear ends of the left and right side walls of the mounting plate (25) are provided with connection rings (41).
8. The vacuum circuit breaker for high altitude and high voltage according to claim 7, characterized in that the outer side wall of the base (12) is provided with a cone-shaped waterproof ring (42).
CN202010958544.4A 2020-09-14 2020-09-14 Vacuum circuit breaker for high altitude and high voltage Active CN112053892B (en)

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CN113707510A (en) * 2021-09-07 2021-11-26 贵州电网有限责任公司 Anti-drop fuse knob insulator

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CN1257296A (en) * 1999-12-06 2000-06-21 周友东 Combined type circuit breaker with electric operation mechanism
CN201478871U (en) * 2009-06-10 2010-05-19 欧阳铁桥 High voltage automatic transfer switch
CN203367180U (en) * 2013-08-01 2013-12-25 德力西电气有限公司 Hand-operated and motor-driven integrated switching-off and switching-on device for circuit breaker
CN110137047A (en) * 2019-06-21 2019-08-16 安徽科盟电子科技有限公司 A kind of breaker automatic switching-on device
CN209329675U (en) * 2019-01-31 2019-08-30 保定市科美电气科技有限公司 A kind of overvoltage protection easy to use

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CN100356492C (en) * 2005-03-23 2007-12-19 王光顺 Energy-storage isolating switch

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Publication number Priority date Publication date Assignee Title
CN1257296A (en) * 1999-12-06 2000-06-21 周友东 Combined type circuit breaker with electric operation mechanism
CN201478871U (en) * 2009-06-10 2010-05-19 欧阳铁桥 High voltage automatic transfer switch
CN203367180U (en) * 2013-08-01 2013-12-25 德力西电气有限公司 Hand-operated and motor-driven integrated switching-off and switching-on device for circuit breaker
CN209329675U (en) * 2019-01-31 2019-08-30 保定市科美电气科技有限公司 A kind of overvoltage protection easy to use
CN110137047A (en) * 2019-06-21 2019-08-16 安徽科盟电子科技有限公司 A kind of breaker automatic switching-on device

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